1 // SPDX-License-Identifier: GPL-2.0-only
3  * Copyright (C) ST-Ericsson SA 2010
5  * Authors: Sundar Iyer <sundar.iyer@stericsson.com> for ST-Ericsson
6  *          Bengt Jonsson <bengt.g.jonsson@stericsson.com> for ST-Ericsson
8  * Power domain regulators on DB8500
16 #include <linux/mfd/dbx500-prcmu.h>
19 #include <linux/regulator/db8500-prcmu.h>
23 #include "dbx500-prcmu.h"
30 		return -EINVAL;  in db8500_regulator_enable()
32 	dev_vdbg(rdev_get_dev(rdev), "regulator-%s-enable\n",  in db8500_regulator_enable()
33 		info->desc.name);  in db8500_regulator_enable()
35 	if (!info->is_enabled) {  in db8500_regulator_enable()
36 		info->is_enabled = true;  in db8500_regulator_enable()
37 		if (!info->exclude_from_power_state)  in db8500_regulator_enable()
50 		return -EINVAL;  in db8500_regulator_disable()
52 	dev_vdbg(rdev_get_dev(rdev), "regulator-%s-disable\n",  in db8500_regulator_disable()
53 		info->desc.name);  in db8500_regulator_disable()
55 	if (info->is_enabled) {  in db8500_regulator_disable()
56 		info->is_enabled = false;  in db8500_regulator_disable()
57 		if (!info->exclude_from_power_state)  in db8500_regulator_disable()
69 		return -EINVAL;  in db8500_regulator_is_enabled()
71 	dev_vdbg(rdev_get_dev(rdev), "regulator-%s-is_enabled (is_enabled):"  in db8500_regulator_is_enabled()
72 		" %i\n", info->desc.name, info->is_enabled);  in db8500_regulator_is_enabled()
74 	return info->is_enabled;  in db8500_regulator_is_enabled()
77 /* db8500 regulator operations */
147 		return -EINVAL;  in db8500_regulator_switch_enable()
149 	dev_vdbg(rdev_get_dev(rdev), "regulator-switch-%s-enable\n",  in db8500_regulator_switch_enable()
150 		info->desc.name);  in db8500_regulator_switch_enable()
152 	ret = enable_epod(info->epod_id, info->is_ramret);  in db8500_regulator_switch_enable()
155 			"regulator-switch-%s-enable: prcmu call failed\n",  in db8500_regulator_switch_enable()
156 			info->desc.name);  in db8500_regulator_switch_enable()
160 	info->is_enabled = true;  in db8500_regulator_switch_enable()
171 		return -EINVAL;  in db8500_regulator_switch_disable()
173 	dev_vdbg(rdev_get_dev(rdev), "regulator-switch-%s-disable\n",  in db8500_regulator_switch_disable()
174 		info->desc.name);  in db8500_regulator_switch_disable()
176 	ret = disable_epod(info->epod_id, info->is_ramret);  in db8500_regulator_switch_disable()
179 			"regulator_switch-%s-disable: prcmu call failed\n",  in db8500_regulator_switch_disable()
180 			info->desc.name);  in db8500_regulator_switch_disable()
184 	info->is_enabled = false;  in db8500_regulator_switch_disable()
194 		return -EINVAL;  in db8500_regulator_switch_is_enabled()
197 		"regulator-switch-%s-is_enabled (is_enabled): %i\n",  in db8500_regulator_switch_is_enabled()
198 		info->desc.name, info->is_enabled);  in db8500_regulator_switch_is_enabled()
200 	return info->is_enabled;  in db8500_regulator_switch_is_enabled()
216 			.name	= "db8500-vape",
226 			.name	= "db8500-varm",
236 			.name	= "db8500-vmodem",
246 			.name	= "db8500-vpll",
256 			.name	= "db8500-vsmps1",
266 			.name	= "db8500-vsmps2",
279 			.name	= "db8500-vsmps3",
289 			.name	= "db8500-vrf1",
299 			.name	= "db8500-sva-mmdsp",
310 			.name	= "db8500-sva-mmdsp-ret",
322 			.name	= "db8500-sva-pipe",
333 			.name	= "db8500-sia-mmdsp",
344 			.name	= "db8500-sia-mmdsp-ret",
356 			.name	= "db8500-sia-pipe",
367 			.name	= "db8500-sga",
378 			.name	= "db8500-b2r2-mcde",
389 			.name	= "db8500-esram12",
401 			.name	= "db8500-esram12-ret",
413 			.name	= "db8500-esram34",
425 			.name	= "db8500-esram34-ret",
445 	db8500_init_data = dev_get_platdata(&pdev->dev);  in db8500_regulator_probe()
448 		/* assign per-regulator data */  in db8500_regulator_probe()
452 		config.dev = &pdev->dev;  in db8500_regulator_probe()
456 		rdev = devm_regulator_register(&pdev->dev, &info->desc,  in db8500_regulator_probe()
460 			dev_err(&pdev->dev, "failed to register %s: err %i\n",  in db8500_regulator_probe()
461 				info->desc.name, err);  in db8500_regulator_probe()
464 		dev_dbg(&pdev->dev, "regulator-%s-probed\n", info->desc.name);  in db8500_regulator_probe()
479 		.name = "db8500-prcmu-regulators",
499 MODULE_AUTHOR("STMicroelectronics/ST-Ericsson");
500 MODULE_DESCRIPTION("DB8500 regulator driver");